Register
How do I solve this? (4x + 3) (10x - 7)
123k views
3 votes
How do I solve this? (4x + 3) (10x - 7)

User Arjun Ajith
by
5.1k points

2 Answers

1 vote

Answer:

40x²+2x-21

Explanation:

4x × 10x - 4x × 7 + 3×10x - 3 × 7

40x² - 28x + 30x - 21

40x²+2x-21

User Mathew Berg
by
4.9k points
3 votes

Answer:

40x^2+2x-21

Explanation:

(4x + 3) (10x - 7)

Foil

first 4x*10x = 40x^2

outer 4x*-7 = -28x

inner 3*10x = 30x

last 3 *-7 = -21

Add them together

40x^2 -28x+30x-21

Combine like terms

40x^2+2x-21

User The Windwaker
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
how long Will it take for $7000 investment to grow to $7553 and the annual rate of 3.4% compounded quarterly assume that no withdrawals are made
I need to simplify this expression.
Link Copied!